In 1925 Albert H. MacCarthy had just led a successful first ascent of Mount Logan in Canada, composed of climbers from Canada, Britain and the United States. MacCarthy, an American and member of the American Alpine Club, wrote a number of reports and summaries of the expedition, including this list of Mountain “Dont’s.”

Much of his advice is still relevant today, 94 years later. We’ve highlighted a few of our favorites with photos from the 1925 Mount Logan Expedition.

Check out the original list at the bottom of the post. What “Dont’s” would you add?

Don’t throw stones - someone may retaliate.

Don’t depreciate the quality of your climb and accomplishment - others will do it for you